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hamadehassan
30.08.2019 •
Mathematics
2. (3 pts.) consider the relation that pairs each of your classmates full names to their birth
month. define the independent and dependent variables and determine if this relation is a
function.
independent:
dependent:
is this a function? explain your choice.
Solved
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Ответ:
x = 1
y = 1
(1, 1)
Step-by-step explanation:
simplify each equation first:
and
The you would have:
2x + 3y = 5
-5x + y = -4
Multiply both sides of the second equation by 3
Subtract the two equations:
17x = 17
divide both sides by 17
x = 1
substitute this in:
2 + 3y = 5
3y = 3
y = 1